Remove shared worker process related codes.

content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc

Index: content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
diff --git a/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc b/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
index ae856ee7140136caf6454bd03fc4feae87c549e8..57e75e4c1fa9ab1974d0506564271f7ef1c5004d 100644
--- a/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
+++ b/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
@@ -114,7 +114,6 @@ ResultExpr AllowAllPolicy::EvaluateSyscall(int sysno) const {
 // If a BPF policy is engaged for |process_type|, run a few sanity checks.
 void RunSandboxSanityChecks(const std::string& process_type) {
   if (process_type == switches::kRendererProcess ||
-      process_type == switches::kWorkerProcess ||
       process_type == switches::kGpuProcess ||
       process_type == switches::kPpapiPluginProcess) {
     int syscall_ret;
@@ -180,8 +179,7 @@ bool StartBPFSandbox(const CommandLine& command_line,
 
   if (process_type == switches::kGpuProcess) {
     policy.reset(GetGpuProcessSandbox().release());
-  } else if (process_type == switches::kRendererProcess ||
-             process_type == switches::kWorkerProcess) {
+  } else if (process_type == switches::kRendererProcess) {
     policy.reset(new RendererProcessPolicy);
   } else if (process_type == switches::kPpapiPluginProcess) {
     policy.reset(new PpapiProcessPolicy);